IV.
1. Recycle rubbish
2. homeless people.
3.community service
4. provide food
5.raise money.
6. donate blood
V.
1. Has made
2. have left
3. haven't decided
4. broke
5. took
6. don't see
7. won
8. has finished
9. have visited
10. Have - ridden
VI.
1.seen
2. broken
3. have you
4. have
5. given
6. bought
7.has it
8. done
9. go
10. met